Simple Geological Time Chart

Geological Timescale sensu the International Union of Geological Sciences: International Commission with official IUGS and ICS color schema.

Eon

Era

Period

End (ma)

Start (ma)

P
h
e
n
e
r
o
z
o
i
c

Cenozoic Era

Neogene

Paleogene

Mesozoic Era

Cretaceous

Jurassic

Triassic

Paleozoic Era

Permian

Carboniferous

Devonian

Silurian

Ordovician

Cambrian

P
r
o
t
e
r
o
t
z
o
i
c

Neoproterozoic Era

Ediacaran
[Vendian]

Cryogenian

Tonian

Mesoproterozoic Era

Stenian

Ectasian

Calymmian

Paleoproterozoic Era

Statherian

Orosirian

Rhyacian

Siderian

A
r
c
h
e
a
n

Neoarchean Era

Mesoarchean Era

Paleoarchean Era

Eoarchean Era

4000

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